Monitor



FIG. 1 is a perspective view of a monitor showing my new design;

FIG. 2 is a front view thereof;

FIG. 3 is a rear elevation view thereof;

FIG. 4 is a right side view thereof; the left side view is the same as the right side view;

FIG. 5 is a bottom view thereof; and,

FIG. 6 is a top view thereof. 

The ornamental design for a monitor, as shown and described. 